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Appl. Sci. 2013, 3(1), 70-93; doi:10.3390/app3010070

Direct Electron Acceleration with Radially Polarized Laser Beams

1,* , 2,* , 3
1 Department of Physics and Centre for Photonics Research, University of Ottawa, 150 Louis Pasteur, Ottawa (Ontario) K1N 6N5, Canada 2 INRS Énergie Matériaux Télécommunications, Université du Québec, 1650 boulevard Lionel-Boulet, Varennes (Québec) J3X 1S2, Canada 3 Centre d’optique, photonique et laser, Université Laval, 2375 de la Terrasse, Québec (Québec) G1V 0A6, Canada
* Authors to whom correspondence should be addressed.
Received: 3 December 2012 / Revised: 15 January 2013 / Accepted: 16 January 2013 / Published: 30 January 2013
(This article belongs to the Special Issue Ultraintense Ultrashort Pulse Lasers)
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In the past years, there has been a growing interest in innovative applications of radially polarized laser beams. Among them, the particular field of laser-driven electron acceleration has received much attention. Recent developments in high-power infrared laser sources at the INRS Advanced Laser Light Source (Varennes, Qc, Canada) allowed the experimental observation of a quasi-monoenergetic 23-keV electron beam produced by a radially polarized laser pulse tightly focused into a low density gas. Theoretical analyses suggest that the production of collimated attosecond electron pulses is within reach of the actual technology. Such an ultrashort electron pulse source would be a unique tool for fundamental and applied research. In this paper, we propose an overview of this emerging topic and expose some of the challenges to meet in the future.
Keywords: radially polarized beams; electron acceleration; high-power infrared sources radially polarized beams; electron acceleration; high-power infrared sources
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Varin, C.; Payeur, S.; Marceau, V.; Fourmaux, S.; April, A.; Schmidt, B.; Fortin, P.-L.; Thiré, N.; Brabec, T.; Légaré, F.; Kieffer, J.-C.; Piché, M. Direct Electron Acceleration with Radially Polarized Laser Beams. Appl. Sci. 2013, 3, 70-93.

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